The case of the missing quasar gas clouds has been solved by a worldwide team of astronomers, and the answer is blowin' in the wind. Astronomers Nurten Filiz Ak and Niel Brandt of the Pennsylvania State University led the team, which announced their results in a paper published in today's issue of The Astrophysical Journal. The paper describes 19 distant quasars in which giant clouds of gas seemed to disappear in just a few years.

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